87700860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:106

約数の個数: 216

約数和(自身を含む): 305287920

約数和(自身を除く): 217587060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 90, 93, 108, 117, 124, 130, 135, 155, 156, 169, 180, 186, 195, 234, 260, 270, 279, 310, 338, 351, 372, 390, 403, 465, 468, 507, 540, 558, 585, 620, 676, 702, 780, 806, 837, 845, 930, 961, 1014, 1116, 1170, 1209, 1395, 1404, 1521, 1612, 1674, 1690, 1755, 1860, 1922, 2015, 2028, 2340, 2418, 2535, 2790, 2883, 3042, 3348, 3380, 3510, 3627, 3844, 4030, 4185, 4563, 4805, 4836, 5070, 5239, 5580, 5766, 6045, 6084, 7020, 7254, 7605, 8060, 8370, 8649, 9126, 9610, 10140, 10478, 10881, 11532, 12090, 12493, 14415, 14508, 15210, 15717, 16740, 17298, 18135, 18252, 19220, 20956, 21762, 22815, 24180, 24986, 25947, 26195, 28830, 30420, 31434, 34596, 36270, 37479, 43245, 43524, 45630, 47151, 49972, 51894, 52390, 54405, 57660, 62465, 62868, 72540, 74958, 78585, 86490, 91260, 94302, 103788, 104780, 108810, 112437, 124930, 129735, 141453, 149916, 157170, 162409, 172980, 187395, 188604, 217620, 224874, 235755, 249860, 259470, 282906, 314340, 324818, 337311, 374790, 449748, 471510, 487227, 518940, 562185, 565812, 649636, 674622, 707265, 749580, 812045, 943020, 974454, 1124370, 1349244, 1414530, 1461681, 1624090, 1686555, 1948908, 2248740, 2436135, 2829060, 2923362, 3248180, 3373110, 4385043, 4872270, 5846724, 6746220, 7308405, 8770086, 9744540, 14616810, 17540172, 21925215, 29233620, 43850430, 87700860]

約数ペア:

[(1, 87700860), (2, 43850430), (3, 29233620), (4, 21925215), (5, 17540172), (6, 14616810), (9, 9744540), (10, 8770086), (12, 7308405), (13, 6746220), (15, 5846724), (18, 4872270), (20, 4385043), (26, 3373110), (27, 3248180), (30, 2923362), (31, 2829060), (36, 2436135), (39, 2248740), (45, 1948908), (52, 1686555), (54, 1624090), (60, 1461681), (62, 1414530), (65, 1349244), (78, 1124370), (90, 974454), (93, 943020), (108, 812045), (117, 749580), (124, 707265), (130, 674622), (135, 649636), (155, 565812), (156, 562185), (169, 518940), (180, 487227), (186, 471510), (195, 449748), (234, 374790), (260, 337311), (270, 324818), (279, 314340), (310, 282906), (338, 259470), (351, 249860), (372, 235755), (390, 224874), (403, 217620), (465, 188604), (468, 187395), (507, 172980), (540, 162409), (558, 157170), (585, 149916), (620, 141453), (676, 129735), (702, 124930), (780, 112437), (806, 108810), (837, 104780), (845, 103788), (930, 94302), (961, 91260), (1014, 86490), (1116, 78585), (1170, 74958), (1209, 72540), (1395, 62868), (1404, 62465), (1521, 57660), (1612, 54405), (1674, 52390), (1690, 51894), (1755, 49972), (1860, 47151), (1922, 45630), (2015, 43524), (2028, 43245), (2340, 37479), (2418, 36270), (2535, 34596), (2790, 31434), (2883, 30420), (3042, 28830), (3348, 26195), (3380, 25947), (3510, 24986), (3627, 24180), (3844, 22815), (4030, 21762), (4185, 20956), (4563, 19220), (4805, 18252), (4836, 18135), (5070, 17298), (5239, 16740), (5580, 15717), (5766, 15210), (6045, 14508), (6084, 14415), (7020, 12493), (7254, 12090), (7605, 11532), (8060, 10881), (8370, 10478), (8649, 10140), (9126, 9610)]